Home / 836,997.19-1,155,065.81-464,467.75

Finding the Fourth Proportional to 836,997.19, 1,155,065.81 and 464,467.75

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Solution

The fourth proportional to 836,997.19, 1,155,065.81 and 464,467.75 is: 640,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,997.19 : 1,155,065.81 = 464,467.75 : x
  2. Step 2: Convert to fraction form
    836,997.19/1,155,065.81 = 464,467.75/x
  3. Step 3: Cross multiply
    836,997.19x = 1,155,065.81 × 464,467.75
  4. Step 4: Simplify right side
    836,997.19x = 536,490,812,662.62
  5. Step 5: Solve for x
    x = 536,490,812,662.62/836,997.19
  6. Step 6: Final answer
    x = 640,970.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.